1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 1982, 2010, Oracle and/or its affiliates. All rights reserved. 24 */ 25 26 #ifndef _SYS_DKIO_H 27 #define _SYS_DKIO_H 28 29 #include <sys/dklabel.h> /* Needed for NDKMAP define */ 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 /* 36 * Structures and definitions for disk io control commands 37 */ 38 39 /* 40 * Structures used as data by ioctl calls. 41 */ 42 43 #define DK_DEVLEN 16 /* device name max length, including */ 44 /* unit # & NULL (ie - "xyc1") */ 45 46 /* 47 * Used for controller info 48 */ 49 struct dk_cinfo { 50 char dki_cname[DK_DEVLEN]; /* controller name (no unit #) */ 51 ushort_t dki_ctype; /* controller type */ 52 ushort_t dki_flags; /* flags */ 53 ushort_t dki_cnum; /* controller number */ 54 uint_t dki_addr; /* controller address */ 55 uint_t dki_space; /* controller bus type */ 56 uint_t dki_prio; /* interrupt priority */ 57 uint_t dki_vec; /* interrupt vector */ 58 char dki_dname[DK_DEVLEN]; /* drive name (no unit #) */ 59 uint_t dki_unit; /* unit number */ 60 uint_t dki_slave; /* slave number */ 61 ushort_t dki_partition; /* partition number */ 62 ushort_t dki_maxtransfer; /* max. transfer size in DEV_BSIZE */ 63 }; 64 65 /* 66 * Controller types 67 */ 68 #define DKC_UNKNOWN 0 69 #define DKC_CDROM 1 /* CD-ROM, SCSI or otherwise */ 70 #define DKC_WDC2880 2 71 #define DKC_XXX_0 3 /* unassigned */ 72 #define DKC_XXX_1 4 /* unassigned */ 73 #define DKC_DSD5215 5 74 #define DKC_ACB4000 7 75 #define DKC_MD21 8 76 #define DKC_XXX_2 9 /* unassigned */ 77 #define DKC_NCRFLOPPY 10 78 #define DKC_SMSFLOPPY 12 79 #define DKC_SCSI_CCS 13 /* SCSI CCS compatible */ 80 #define DKC_INTEL82072 14 /* native floppy chip */ 81 #define DKC_MD 16 /* meta-disk (virtual-disk) driver */ 82 #define DKC_INTEL82077 19 /* 82077 floppy disk controller */ 83 #define DKC_DIRECT 20 /* Intel direct attached device i.e. IDE */ 84 #define DKC_PCMCIA_MEM 21 /* PCMCIA memory disk-like type (Obsolete) */ 85 #define DKC_PCMCIA_ATA 22 /* PCMCIA AT Attached type */ 86 #define DKC_VBD 23 /* virtual block device */ 87 #define DKC_BLKDEV 24 /* generic block device (see blkdev(7d)) */ 88 89 /* 90 * Sun reserves up through 1023 91 */ 92 93 #define DKC_CUSTOMER_BASE 1024 94 95 /* 96 * Flags 97 */ 98 #define DKI_BAD144 0x01 /* use DEC std 144 bad sector fwding */ 99 #define DKI_MAPTRK 0x02 /* controller does track mapping */ 100 #define DKI_FMTTRK 0x04 /* formats only full track at a time */ 101 #define DKI_FMTVOL 0x08 /* formats only full volume at a time */ 102 #define DKI_FMTCYL 0x10 /* formats only full cylinders at a time */ 103 #define DKI_HEXUNIT 0x20 /* unit number is printed as 3 hex digits */ 104 #define DKI_PCMCIA_PFD 0x40 /* PCMCIA pseudo-floppy memory card */ 105 106 /* 107 * Used for all partitions 108 */ 109 struct dk_allmap { 110 struct dk_map dka_map[NDKMAP]; 111 }; 112 113 #if defined(_SYSCALL32) 114 struct dk_allmap32 { 115 struct dk_map32 dka_map[NDKMAP]; 116 }; 117 #endif /* _SYSCALL32 */ 118 119 /* 120 * Definition of a disk's geometry 121 */ 122 struct dk_geom { 123 unsigned short dkg_ncyl; /* # of data cylinders */ 124 unsigned short dkg_acyl; /* # of alternate cylinders */ 125 unsigned short dkg_bcyl; /* cyl offset (for fixed head area) */ 126 unsigned short dkg_nhead; /* # of heads */ 127 unsigned short dkg_obs1; /* obsolete */ 128 unsigned short dkg_nsect; /* # of data sectors per track */ 129 unsigned short dkg_intrlv; /* interleave factor */ 130 unsigned short dkg_obs2; /* obsolete */ 131 unsigned short dkg_obs3; /* obsolete */ 132 unsigned short dkg_apc; /* alternates per cyl (SCSI only) */ 133 unsigned short dkg_rpm; /* revolutions per minute */ 134 unsigned short dkg_pcyl; /* # of physical cylinders */ 135 unsigned short dkg_write_reinstruct; /* # sectors to skip, writes */ 136 unsigned short dkg_read_reinstruct; /* # sectors to skip, reads */ 137 unsigned short dkg_extra[7]; /* for compatible expansion */ 138 }; 139 140 /* 141 * These defines are for historic compatibility with old drivers. 142 */ 143 #define dkg_bhead dkg_obs1 /* used to be head offset */ 144 #define dkg_gap1 dkg_obs2 /* used to be gap1 */ 145 #define dkg_gap2 dkg_obs3 /* used to be gap2 */ 146 147 /* 148 * Disk io control commands 149 * Warning: some other ioctls with the DIOC prefix exist elsewhere. 150 * The Generic DKIOC numbers are from 0 - 50. 151 * The Floppy Driver uses 51 - 100. 152 * The Hard Disk (except SCSI) 101 - 106. (these are obsolete) 153 * The CDROM Driver 151 - 200. 154 * The USCSI ioctl 201 - 250. 155 */ 156 #define DKIOC (0x04 << 8) 157 158 /* 159 * The following ioctls are generic in nature and need to be 160 * suported as appropriate by all disk drivers 161 */ 162 #define DKIOCGGEOM (DKIOC|1) /* Get geometry */ 163 #define DKIOCINFO (DKIOC|3) /* Get info */ 164 #define DKIOCEJECT (DKIOC|6) /* Generic 'eject' */ 165 #define DKIOCGVTOC (DKIOC|11) /* Get VTOC */ 166 #define DKIOCSVTOC (DKIOC|12) /* Set VTOC & Write to Disk */ 167 168 #define DKIOCGEXTVTOC (DKIOC|23) /* Get extended VTOC */ 169 #define DKIOCSEXTVTOC (DKIOC|24) /* Set extended VTOC, Write to Disk */ 170 171 /* 172 * Disk Cache Controls. These ioctls should be supported by 173 * all disk drivers. 174 * 175 * DKIOCFLUSHWRITECACHE when used from user-mode ignores the ioctl 176 * argument, but it should be passed as NULL to allow for future 177 * reinterpretation. From user-mode, this ioctl request is synchronous. 178 * 179 * When invoked from within the kernel, the arg can be NULL to indicate 180 * a synchronous request or can be the address of a struct dk_callback 181 * to request an asynchronous callback when the flush request is complete. 182 * In this case, the flag to the ioctl must include FKIOCTL and the 183 * dkc_callback field of the pointed to struct must be non-null or the 184 * request is made synchronously. 185 * 186 * In the callback case: if the ioctl returns 0, a callback WILL be performed. 187 * If the ioctl returns non-zero, a callback will NOT be performed. 188 * NOTE: In some cases, the callback may be done BEFORE the ioctl call 189 * returns. The caller's locking strategy should be prepared for this case. 190 */ 191 #define DKIOCFLUSHWRITECACHE (DKIOC|34) /* flush cache to phys medium */ 192 193 struct dk_callback { 194 void (*dkc_callback)(void *dkc_cookie, int error); 195 void *dkc_cookie; 196 int dkc_flag; 197 }; 198 199 /* bit flag definitions for dkc_flag */ 200 #define FLUSH_VOLATILE 0x1 /* Bit 0: if set, only flush */ 201 /* volatile cache; otherwise, flush */ 202 /* volatile and non-volatile cache */ 203 204 #define DKIOCGETWCE (DKIOC|36) /* Get current write cache */ 205 /* enablement status */ 206 #define DKIOCSETWCE (DKIOC|37) /* Enable/Disable write cache */ 207 208 /* 209 * The following ioctls are used by Sun drivers to communicate 210 * with their associated format routines. Support of these ioctls 211 * is not required of foreign drivers 212 */ 213 #define DKIOCSGEOM (DKIOC|2) /* Set geometry */ 214 #define DKIOCSAPART (DKIOC|4) /* Set all partitions */ 215 #define DKIOCGAPART (DKIOC|5) /* Get all partitions */ 216 #define DKIOCG_PHYGEOM (DKIOC|32) /* get physical geometry */ 217 #define DKIOCG_VIRTGEOM (DKIOC|33) /* get virtual geometry */ 218 219 /* 220 * The following ioctl's are removable media support 221 */ 222 #define DKIOCLOCK (DKIOC|7) /* Generic 'lock' */ 223 #define DKIOCUNLOCK (DKIOC|8) /* Generic 'unlock' */ 224 #define DKIOCSTATE (DKIOC|13) /* Inquire insert/eject state */ 225 #define DKIOCREMOVABLE (DKIOC|16) /* is media removable */ 226 227 228 /* 229 * ioctl for hotpluggable devices 230 */ 231 #define DKIOCHOTPLUGGABLE (DKIOC|35) /* is hotpluggable */ 232 233 #if defined(__i386) || defined(__amd64) 234 /* ioctl to write extended partition structure into the disk */ 235 #define DKIOCSETEXTPART (DKIOC|46) 236 #endif 237 238 /* 239 * Ioctl to force driver to re-read the alternate partition and rebuild 240 * the internal defect map. 241 */ 242 #define DKIOCADDBAD (DKIOC|20) /* Re-read the alternate map (IDE) */ 243 #define DKIOCGETDEF (DKIOC|21) /* read defect list (IDE) */ 244 245 /* 246 * Used by applications to get disk defect information from IDE 247 * drives. 248 */ 249 #ifdef _SYSCALL32 250 struct defect_header32 { 251 int head; 252 caddr32_t buffer; 253 }; 254 #endif /* _SYSCALL32 */ 255 256 struct defect_header { 257 int head; 258 caddr_t buffer; 259 }; 260 261 #define DKIOCPARTINFO (DKIOC|22) /* Get partition or slice parameters */ 262 #define DKIOCEXTPARTINFO (DKIOC|19) /* Get extended partition or slice */ 263 /* parameters */ 264 265 266 /* 267 * Used by applications to get partition or slice information 268 */ 269 #ifdef _SYSCALL32 270 struct part_info32 { 271 daddr32_t p_start; 272 int p_length; 273 }; 274 #endif /* _SYSCALL32 */ 275 276 struct part_info { 277 daddr_t p_start; 278 int p_length; 279 }; 280 281 struct extpart_info { 282 diskaddr_t p_start; 283 diskaddr_t p_length; 284 }; 285 286 /* The following ioctls are for Optical Memory Device */ 287 #define DKIOC_EBP_ENABLE (DKIOC|40) /* enable by pass erase on write */ 288 #define DKIOC_EBP_DISABLE (DKIOC|41) /* disable by pass erase on write */ 289 290 /* 291 * This state enum is the argument passed to the DKIOCSTATE ioctl. 292 */ 293 enum dkio_state { DKIO_NONE, DKIO_EJECTED, DKIO_INSERTED, DKIO_DEV_GONE }; 294 295 #define DKIOCGMEDIAINFO (DKIOC|42) /* get information about the media */ 296 297 /* 298 * ioctls to read/write mboot info. 299 */ 300 #define DKIOCGMBOOT (DKIOC|43) /* get mboot info */ 301 #define DKIOCSMBOOT (DKIOC|44) /* set mboot info */ 302 303 /* 304 * ioctl to get the device temperature. 305 */ 306 #define DKIOCGTEMPERATURE (DKIOC|45) /* get temperature */ 307 308 /* 309 * ioctl to get the media info including physical block size 310 */ 311 #define DKIOCGMEDIAINFOEXT (DKIOC|48) 312 313 /* 314 * ioctl to determine whether media is write-protected 315 */ 316 #define DKIOCREADONLY (DKIOC|49) 317 318 /* 319 * Used for providing the temperature. 320 */ 321 322 struct dk_temperature { 323 uint_t dkt_flags; /* Flags */ 324 short dkt_cur_temp; /* Current disk temperature */ 325 short dkt_ref_temp; /* reference disk temperature */ 326 }; 327 328 #define DKT_BYPASS_PM 0x1 329 #define DKT_INVALID_TEMP 0xFFFF 330 331 332 /* 333 * Used for Media info or the current profile info 334 */ 335 struct dk_minfo { 336 uint_t dki_media_type; /* Media type or profile info */ 337 uint_t dki_lbsize; /* Logical blocksize of media */ 338 diskaddr_t dki_capacity; /* Capacity as # of dki_lbsize blks */ 339 }; 340 341 /* 342 * Used for Media info or the current profile info 343 * including physical block size if supported. 344 */ 345 struct dk_minfo_ext { 346 uint_t dki_media_type; /* Media type or profile info */ 347 uint_t dki_lbsize; /* Logical blocksize of media */ 348 diskaddr_t dki_capacity; /* Capacity as # of dki_lbsize blks */ 349 uint_t dki_pbsize; /* Physical blocksize of media */ 350 }; 351 352 /* 353 * Media types or profiles known 354 */ 355 #define DK_UNKNOWN 0x00 /* Media inserted - type unknown */ 356 357 358 /* 359 * SFF 8090 Specification Version 3, media types 0x01 - 0xfffe are retained to 360 * maintain compatibility with SFF8090. The following define the 361 * optical media type. 362 */ 363 #define DK_REMOVABLE_DISK 0x02 /* Removable Disk */ 364 #define DK_MO_ERASABLE 0x03 /* MO Erasable */ 365 #define DK_MO_WRITEONCE 0x04 /* MO Write once */ 366 #define DK_AS_MO 0x05 /* AS MO */ 367 #define DK_CDROM 0x08 /* CDROM */ 368 #define DK_CDR 0x09 /* CD-R */ 369 #define DK_CDRW 0x0A /* CD-RW */ 370 #define DK_DVDROM 0x10 /* DVD-ROM */ 371 #define DK_DVDR 0x11 /* DVD-R */ 372 #define DK_DVDRAM 0x12 /* DVD_RAM or DVD-RW */ 373 374 /* 375 * Media types for other rewritable magnetic media 376 */ 377 #define DK_FIXED_DISK 0x10001 /* Fixed disk SCSI or otherwise */ 378 #define DK_FLOPPY 0x10002 /* Floppy media */ 379 #define DK_ZIP 0x10003 /* IOMEGA ZIP media */ 380 #define DK_JAZ 0x10004 /* IOMEGA JAZ media */ 381 382 #define DKIOCSETEFI (DKIOC|17) /* Set EFI info */ 383 #define DKIOCGETEFI (DKIOC|18) /* Get EFI info */ 384 385 #define DKIOCPARTITION (DKIOC|9) /* Get partition info */ 386 387 /* 388 * Ioctls to get/set volume capabilities related to Logical Volume Managers. 389 * They include the ability to get/set capabilities and to issue a read to a 390 * specific underlying device of a replicated device. 391 */ 392 393 #define DKIOCGETVOLCAP (DKIOC | 25) /* Get volume capabilities */ 394 #define DKIOCSETVOLCAP (DKIOC | 26) /* Set volume capabilities */ 395 #define DKIOCDMR (DKIOC | 27) /* Issue a directed read */ 396 397 #define DKIOCDUMPINIT (DKIOC | 28) /* Dumpify a zvol */ 398 #define DKIOCDUMPFINI (DKIOC | 29) /* Un-Dumpify a zvol */ 399 400 typedef uint_t volcapinfo_t; 401 402 typedef uint_t volcapset_t; 403 404 #define DKV_ABR_CAP 0x00000001 /* Support Appl.Based Recovery */ 405 #define DKV_DMR_CAP 0x00000002 /* Support Directed Mirror Read */ 406 407 typedef struct volcap { 408 volcapinfo_t vc_info; /* Capabilities available */ 409 volcapset_t vc_set; /* Capabilities set */ 410 } volcap_t; 411 412 #define VOL_SIDENAME 256 413 414 typedef struct vol_directed_rd { 415 int vdr_flags; 416 offset_t vdr_offset; 417 size_t vdr_nbytes; 418 size_t vdr_bytesread; 419 void *vdr_data; 420 int vdr_side; 421 char vdr_side_name[VOL_SIDENAME]; 422 } vol_directed_rd_t; 423 424 #define DKV_SIDE_INIT (-1) 425 #define DKV_DMR_NEXT_SIDE 0x00000001 426 #define DKV_DMR_DONE 0x00000002 427 #define DKV_DMR_ERROR 0x00000004 428 #define DKV_DMR_SUCCESS 0x00000008 429 #define DKV_DMR_SHORT 0x00000010 430 431 #ifdef _MULTI_DATAMODEL 432 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 433 #pragma pack(4) 434 #endif 435 typedef struct vol_directed_rd32 { 436 int32_t vdr_flags; 437 offset_t vdr_offset; /* 64-bit element on 32-bit alignment */ 438 size32_t vdr_nbytes; 439 size32_t vdr_bytesread; 440 caddr32_t vdr_data; 441 int32_t vdr_side; 442 char vdr_side_name[VOL_SIDENAME]; 443 } vol_directed_rd32_t; 444 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 445 #pragma pack() 446 #endif 447 #endif /* _MULTI_DATAMODEL */ 448 449 /* 450 * The ioctl is used to fetch disk's device type, vendor ID, 451 * model number/product ID, firmware revision and serial number together. 452 * 453 * Currently there are two device types - DKD_ATA_TYPE which means the 454 * disk is driven by cmdk/ata or dad/uata driver, and DKD_SCSI_TYPE 455 * which means the disk is driven by sd/scsi hba driver. 456 */ 457 #define DKIOC_GETDISKID (DKIOC|46) 458 459 /* These two labels are for dkd_dtype of dk_disk_id_t */ 460 #define DKD_ATA_TYPE 0x01 /* ATA disk or legacy mode SATA disk */ 461 #define DKD_SCSI_TYPE 0x02 /* SCSI disk or native mode SATA disk */ 462 463 #define DKD_ATA_MODEL 40 /* model number length */ 464 #define DKD_ATA_FWVER 8 /* firmware revision length */ 465 #define DKD_ATA_SERIAL 20 /* serial number length */ 466 467 #define DKD_SCSI_VENDOR 8 /* vendor ID length */ 468 #define DKD_SCSI_PRODUCT 16 /* product ID length */ 469 #define DKD_SCSI_REVLEVEL 4 /* revision level length */ 470 #define DKD_SCSI_SERIAL 12 /* serial number length */ 471 472 /* 473 * The argument type for DKIOC_GETDISKID ioctl. 474 */ 475 typedef struct dk_disk_id { 476 uint_t dkd_dtype; 477 union { 478 struct { 479 char dkd_amodel[DKD_ATA_MODEL]; /* 40 bytes */ 480 char dkd_afwver[DKD_ATA_FWVER]; /* 8 bytes */ 481 char dkd_aserial[DKD_ATA_SERIAL]; /* 20 bytes */ 482 } ata_disk_id; 483 struct { 484 char dkd_svendor[DKD_SCSI_VENDOR]; /* 8 bytes */ 485 char dkd_sproduct[DKD_SCSI_PRODUCT]; /* 16 bytes */ 486 char dkd_sfwver[DKD_SCSI_REVLEVEL]; /* 4 bytes */ 487 char dkd_sserial[DKD_SCSI_SERIAL]; /* 12 bytes */ 488 } scsi_disk_id; 489 } disk_id; 490 } dk_disk_id_t; 491 492 /* 493 * The ioctl is used to update the firmware of device. 494 */ 495 #define DKIOC_UPDATEFW (DKIOC|47) 496 497 /* The argument type for DKIOC_UPDATEFW ioctl */ 498 typedef struct dk_updatefw { 499 caddr_t dku_ptrbuf; /* pointer to firmware buf */ 500 uint_t dku_size; /* firmware buf length */ 501 uint8_t dku_type; /* firmware update type */ 502 } dk_updatefw_t; 503 504 #ifdef _SYSCALL32 505 typedef struct dk_updatefw_32 { 506 caddr32_t dku_ptrbuf; /* pointer to firmware buf */ 507 uint_t dku_size; /* firmware buf length */ 508 uint8_t dku_type; /* firmware update type */ 509 } dk_updatefw_32_t; 510 #endif /* _SYSCALL32 */ 511 512 /* 513 * firmware update type - temporary or permanent use 514 */ 515 #define FW_TYPE_TEMP 0x0 /* temporary use */ 516 #define FW_TYPE_PERM 0x1 /* permanent use */ 517 518 519 #ifdef __cplusplus 520 } 521 #endif 522 523 #endif /* _SYS_DKIO_H */ 524